Newton's 1st Law; the Law of Inertia: - NASA

lbs 1.0 kg = kg 2.2 lb The mass of the solid rocket fuel in a booster is 650 kilograms (kg). How many pounds is this on Earth? 650 kg 1.0 lb = lbs 2.2 kg The Centaur rocket upper stage weighs 35,000 lbs fully fueled. How many kilograms (kg) is this? ................
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